| 摘要 |
PURPOSE: A base station having a cancellation processor is provided to use an ordinary signal processor without requiring a very fast and expensive processor by making control information include acquired data on at least one of user signals to be processed. CONSTITUTION: A controller(204) supplies acquired user signals and control signal for discriminating timing information on them to a parallel cancellation chip(200). Prior to reception of this information for a specific user signal, the parallel cancellation chip(200) sends signals received by first, second, and third antenna pairs (alpha, beta, and gamma) to first to kth signal processing chips(202-1 to 202-n). This constitution does not require very fast and expensive processor because of the constitution of the cancellation chip and can use an ordinary signal processor.
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